10x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack grow-systems-trays-reservoirs The adjustable nature and even

The adjustable nature and even spread of the light foot print gives growers the unique ability to create seasonal (spring

Multiple purposes assigment

5g/watt yied

Perfect for 3’x3’vegetative coverage at 18”and 2’x2’ flowering coverage at 6”-12”

10x25x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 6 Pack grow-systems-trays-reservoirs The adjustable nature and evenNordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in